Multiple Choice
The two most abundant isotopes of boron are 10B and 11B, with 11B being about 4 times more abundant. In the mass spectrum of trimethylborate [(CH3O) 3B], ________.
A) the peaks at m/z 103 and m/z 104 have equivalent intensities
B) the peak at m/z 103 has an intensity which is 4 times that of the m/z 104 peak
C) the peak at m/z 103 has an intensity which is 1/4 the intensity of the peak at m/z 104
D) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q111: What wavenumber corresponds to the wavelength of
Q112: What wavelength in mm is equivalent to
Q113: Which of the following structures is consistent
Q114: Which bond in the structure below would
Q115: The mass spectrum of alcohols often fail
Q116: Which compound would be expected to show
Q117: What are the predicted m/z values (masses)
Q119: Which compound lacks a strong, characteristic IR
Q120: In IR spectroscopy, the C-O bond has
Q121: 2-Methylhexane shows an intense peak in the